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more in sludge that previous ones. “The EPA regulations are designed to encourage the maximum use per acre based on unverified asumptions,” he said.
He said eight miniature horses in Oklahoma died after eating sludge contaminated hay and a study of reproduction in purebred angus cattle had to be stopped because so many fetifses were abroted or deformed after the cattle ate grass from fields that had been sludged. Prof. Tackett said he felt incineration was the safest way to handle sludge, but it has not been studied much because the cost is higher than land application.
Members of both boards questioned the experts extensively, asking about testing procudures, the reason processed food manufacturers won’t accept foods grown on sludged soils, questions of liability, and the relatively high levels of metals allowed by the EPA compared to those allowed in other countries. Stonewall-Hawthom District representative Robert Anderson asked about high levels of iron in hay grown on sludged land.
Prof. Evanylo said these questions were “assinine” prompting testy reactions from Mr. Anderson, County Administrator John McCarthy and Chairman Hubert Gilkey. He said iron in soil is “innocuous” and that veterinarians concerned about it “are not soil scientists.”
Following a brief break the boards convened to hear from the public. Hunt Harris said dealing with waste presented a “dilemma.” He said there are other places to do tests on the safety of sludge
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